package com.graduce.eduservice.controller;


import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.graduce.commonutils.R;
import com.graduce.eduservice.entity.EduTeacher;
import com.graduce.eduservice.entity.vo.TeacherQuery;
import com.graduce.eduservice.service.EduTeacherService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import org.apache.commons.lang3.StringUtils;
import org.apache.poi.util.StringUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * <p>
 * 讲师 前端控制器
 * </p>
 *
 * @author testjava
 * @since 2021-01-20
 */
@Api(description = "讲师管理")
@RestController
@RequestMapping("/eduservice/teacher")
public class EduTeacherController {
    //    访问地址：http://localhost:8001/eduservice/teacher/findAll
//    把service注入
    @Autowired
    private EduTeacherService teacherService;
    //1.查询讲师表所有数据
    // rest风格
    @ApiOperation(value = "所有讲师列表")
    @GetMapping("findAll")
    public R findAllTeacher(){
    //调用service的方法实现查询所有操作
    List<EduTeacher> list = teacherService.list(null);
    return R.ok().data("items",list);
    }

//    2.逻辑删除讲师的方法
    @ApiOperation(value = "根据id删除讲师")
    @DeleteMapping("{id}")
    public R removeTeacher(@ApiParam(name = "id",value = "讲师ID",required = true) @PathVariable String id){
        boolean flag = teacherService.removeById(id);
        if (flag){
            return R.ok();
        }else{
            return R.error();
        }
    }
    //    3.分页查询讲师的方法
    @GetMapping("pageTeacher/{current}/{limit}")
    public R pageListTeacher(@PathVariable long current,
                             @PathVariable long limit){
//        创建配置对象
        Page<EduTeacher> pageTeacher = new Page<>(current,limit);
//        调用方法实现分页
//        调用方法，底层封装，把分页所有数据封装
        teacherService.page(pageTeacher,null);
        long total = pageTeacher.getTotal();
        List<EduTeacher> records= pageTeacher.getRecords();
        return R.ok().data("total",total).data("rows",records);
    }
    @PostMapping("pageTeacherCondition/{current}/{limit}")
    public R pageTeacherCondition(@PathVariable long current, @PathVariable long limit,
                                  @RequestBody(required = false) TeacherQuery teacherQuery){
        Page<EduTeacher> pageTeacher = new Page<>(current,limit);

        //构建条件
        QueryWrapper<EduTeacher> wrapper = new QueryWrapper<>();

        //多条件查询
        String name = teacherQuery.getName();
        Integer level = teacherQuery.getLevel();
        String begin = teacherQuery.getBegin();
        String end = teacherQuery.getEnd();

        //判断条件值是否为空，如果不为空拼接条件
        if(!StringUtils.isEmpty(name)){
            wrapper.like("name",name);
        }
        /*if(!StringUtils.isEmpty(level)) {
            wrapper.eq("level",level);
        }*/
        if (!StringUtils.isEmpty(begin)){
            wrapper.ge("gmt_create",begin);
        }
        if (!StringUtils.isEmpty(end)){
            wrapper.le("gmt_create",end);
        }

        wrapper.orderByDesc("gmt_create");

        //调用方法实现分页查询
        teacherService.page(pageTeacher,wrapper);
        long total = pageTeacher.getTotal();
        List<EduTeacher> records= pageTeacher.getRecords();
        return R.ok().data("total",total).data("rows",records);

    }

//    5.添加讲师接口的方法
    @PostMapping("addTeacher")
    public R addTeacher(@RequestBody EduTeacher eduTeacher){
        boolean save = teacherService.save(eduTeacher);
        if(save){
            return R.ok();
        }else{
            return R.error();
        }
    }

//    6.根据讲师id进行查询
    @GetMapping("getTeacher/{id}")
    public R getTeacher(@PathVariable String id) {
        EduTeacher eduTeacher = teacherService.getById(id);
        return R.ok().data("teacher",eduTeacher);
    }

//    7.修改
    @PostMapping("updateTeacher")
    public R updateTeacher(@RequestBody EduTeacher eduTeacher){
        boolean flag = teacherService.updateById(eduTeacher);
        if(flag){
            return R.ok();
        }else{
            return R.error();
        }
    }
}

